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can anyone tell me why openstack is getting so popular because there are many open source private computing platforms like opennebula,cloudStack,Eucalyptus...so what is the advantage of using Openstack? and why not others?
OpenStack has lots of contributors and is supported by lots of large IT vendors. It is trying to beat AWS and VMware. It is developing its own set of APIs.
The other open source private cloud platforms have their own strengths. Eucalyptus is the only one with AWS compatibility. You can move workloads back and forth. You can use the same scripting. You can use the same tools. For instance, ChaosMonkey that Netflix developed for their internal use on AWS runs on Eucalyptus as well.
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We would like to gather data from vSphere, metrics like number of servers, their names, traffic information (this to be defined later). What would be the best place to start and what steps do we need to accomplish this? Any brainstorming suggestions, SDKs etc. would be greatly appreciated.
I would start by taking a look at the vSphere Web Services API service and, more specifically, the HostSystem (ESXi hosts), VirtualMachine (VM), and PerformanceManager (source of metrics) managed objects.
SDK-wise, it really depends on your language of choice. The vSphere Management SDK includes several different languages including Java and .NET. There's also the open source "*vmomi" SDKs, for which there is Python (pyvmomi), Go (govmomi), and Ruby (rbvmomi).
You can use VMware Orchestrator (vRO). Your vCenter license should cover this product. vRO uses the vCenter-SDK and also the vAPI. Big community and same vendor, so no (or very low) update issues.
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I have a question, regarding managing AWS VMs on a system level. On azure cloud i was using CSE extensions to run powershell scripst and manage/configure VMs. I AM looking for similar solution for AWS cloud. I was thinking about SSM dosuments, but that is not a good choice i suppose.
You can use runPowerShellScript SSM Run Command:
Run PowerShell scripts or specify the path to a script to run. This plugin runs on Microsoft Windows Server and Linux operating systems.
This allows you to run any PowerShell script on your Windows instance, on condition that it is setup to work with System Manager.
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I am trying to run Elasticsearch BERT application and would like to understand the minimal configuration for fine-tuning the model using GPU. What machine configuration should I be using?
Reference github: Fast-Bert
You would probably need to attach different GPUs to your compute instance to test performance. The Tesla T4 is the cheapest, while the Tesla V100 is the most expensive.
The n1-highmem or the n1-highcpu families of compute instance would be a good place to start.
Some of the specs published by Google:
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I'm currently working on a react-native project similar to Instagram using Firebase Real-time database and Storage. I was considering switching to Amazon AWS as with firebase complex queries are not supported. Does Amazon AWS provide something more or should I just stick with Firebase?
Amazon AWS is much more complex I would say, it also requires more experience. If you don't have huge data on background and Firebase has all features which you are planning to use, stay on Firebase.
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I am currently evaluating where to set up a new Sitecore infrastructure for a client. The client no longer want an on-premise set up. I am looking into both Azure and AWS and was wondering if there is an advantage to using one over the other. Any feedback will be greatly appreciated.
Sitecore 9 is built with cloud first mindset and it is based (built around) Azure technologies. So, the simple and short Answer is go with Azure, it has many advantages.